What is Leon Cheng's background?

Dr. Cheng graduated from University of California, Davis School of Medicine in 2000 and has over 26 years in internal medicine. Dr. Cheng works within a group practice.

Does Leon Cheng take Medicare?

Dr. Cheng has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach Leon Cheng's office?

401 Old San Francisco Rd, Sunnyvale, CA 94086. Phone: (408) 730-4262. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Cheng work?

Dr. Cheng's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

Leon Cheng, MD

Internal Medicine

(408) 730-4262Sunnyvale, CA

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

With over 26 years in internal medicine, Leon Cheng, MD is a long-established internist in Sunnyvale. A University of California, Davis School of Medicine graduate since 2000, he brings 26+ years of experience.

1 of 3,273 Internal Medicine providers in CASee all Internal Medicine in Sunnyvale|26+ years experience|NPI since 2006

Data updated 2011-12-02 on CMS NPPES

Contact & Location

Practice Location

401 Old San Francisco Rd, Sunnyvale, CA 94086-6387

(408) 730-4262

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineAllopathic & Osteopathic Physicians

Internal medicine physician

Taxonomy: 207R00000X

Education & Training

University of California, Davis School of Medicine (Class of 2000)

Virtual Internal Medicine Care With Leon Cheng

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Leon Cheng for follow-ups, medication reviews, and ongoing care — no travel to Sunnyvale required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Leon Cheng

NPI records show Dr. Cheng as active with telehealth listed in Sunnyvale, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (408) 730-4262.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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